CN116696153A - a lock - Google Patents

Abstract

The invention discloses a lock. It includes a lock housing, the lock housing is equipped with a connecting shaft, which is fixed on the lock housing; the mop sheet is movably arranged on the connecting shaft, and includes a connecting port and a first movable groove, and the connecting port includes a second A limiting groove and a second limiting groove; a lock pin, which is arranged on the mop piece, and the lock housing includes a plurality of first perforations matched with the lock pin; a main lock shift fork, which is rotatably arranged on the connecting shaft; The pusher and the lower pusher are arranged on the connecting pin; the handle unit is arranged on the clutch and rotates with the rotation of the clutch; the bolt unit is movably arranged on the lock housing, including the bolt, Pin shaft and connecting piece. The mop sheet of the present invention has fewer slots and higher strength; after the relevant structures are matched, it saves labor and has a longer stroke, and there is a self-locking structure between the mop sheet and the main lock fork, and the anti-theft effect is better.

Description

a lock

technical field

The invention relates to the technical field of anti-theft locks, in particular to a lockset.

Background technique

Existing common anti-theft locks usually have a relatively complex structure, such as the oblique tongue retraction assembly and the automatic lock body of a Chinese patent CN216788073U disclosed in the Chinese patent. In this structure, the stroke of the lock pin is relatively short, and the locking of the lock pin relies on spring force. As a result, its anti-theft effect is relatively poor, and because the structure is relatively complex, the loss of force is relatively large, and it is not smooth enough when used. For this reason, the applicant proposes this application.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a lock, which includes a new matching structure of the lock, which not only has a self-locking structure, but also has a good anti-theft effect, saves labor, and is more smoothly used.

In order to solve the problems of the technologies described above, the present invention is solved through the following technical solutions:

A lock, comprising a lock housing, the lock housing is equipped with

connecting shaft, which is fixed on the lock housing;

The mop sheet is movably arranged on the connecting shaft, and includes a connecting port and a first movable groove adapted to the connecting shaft, and the connecting port includes a first limiting groove and a second limiting groove;

A plurality of locking pins are arranged on the mop sheet, and the lock housing includes a plurality of first through holes for matching with the locking pins;

The main lock shifting fork, which is rotatably arranged on the connecting shaft, includes a connecting head matched with the first limiting groove and the second limiting groove, and the main locking shifting fork is equipped with at least two a connection pin;

an upper pusher, which is arranged on one of the connecting pins, and includes a second movable slot matched with the connecting pin;

a lower push piece, which is arranged on one of the connecting pins, and includes a third movable groove matched with the connecting pin;

The handle unit is arranged on the clutch and rotates with the rotation of the clutch. The handle unit includes a first connector connected to one end of the upper pusher and connected to one end of the lower pusher. the second connector and the third connector; and

The latch bolt unit, which is movably arranged on the lock housing, includes a latch bolt, a pin shaft connected to the latch bolt, and a connecting piece arranged on the pin shaft and abutting against the third connecting head , the housing of the lock includes a number of second through-holes matched with the bolt, and the pin shaft is equipped with a first spring for providing the force for the bolt to move to the outer end of the lock, so The pin shaft moves with the movement of the connecting piece.

In the above solution, preferably, the first limiting groove is opened on the upper wall of the connecting port, the second limiting groove is opened on the lower wall of the connecting port, and the first limiting groove The slot is misplaced with the second limiting slot;

A tension spring is disposed between the main lock shift fork and the lock housing.

In the above solution, preferably, the handle unit includes a first handle member and a second handle member arranged on the clutch member, and the first connector and the third connector are located on the second handle. On a handle, the second connector is located on the second handle.

In the above solution, preferably, a fixed piece is fixed on the lock housing, the first spring is sleeved on the pin shaft and at least partially abuts against the fixed piece.

In the above solution, preferably, the connecting piece is slidably disposed on the lock housing, the pin shaft is passed through the connecting piece, and a first Two springs.

In the above solution, preferably, a first connecting piece is rotatably arranged on the connecting shaft, and the first connecting piece includes at least two fourth connecting heads and at least two matching grooves matched with the connecting pin;

A left pusher and a right pusher are slidably arranged on the lock housing, and one end of the left pusher includes a third limit groove and a fourth limit groove matched with one of the fourth connectors. One end of the right pusher includes a fifth limiting groove and a sixth limiting groove matched with one of the fourth connectors.

In the above solution, preferably, the lock housing is also rotatably equipped with a lock cylinder dial for pushing the upper pusher and the lower pusher to move;

The ends of the upper pusher and the lower pusher close to the dial of the lock cylinder respectively have folded edges matched therewith.

In the above solution, preferably, the left pusher and the right pusher are respectively provided with slide slots, and the lock housing is fixed with several shafts matching the slide slots.

In the above solution, preferably, a second connecting piece is rotatably arranged on the connecting shaft, and the second connecting piece includes a plurality of holes through which the fourth connecting head and the connecting pin pass.

In the above solution, preferably, the lock housing is further equipped with a first auxiliary lock shift fork matched with the left pusher and a second auxiliary lock shifter matched with the right pusher, the The first secondary lock shift fork and the second secondary lock shift fork are respectively connected with corresponding lock pins.

The beneficial effects of the present invention are:

The mop sheet of the present invention has fewer slots and higher strength; after the relevant structures are matched, it saves labor and has a longer stroke, and there is a self-locking structure between the mop sheet and the main lock fork, and the anti-theft effect is better.

Description of drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic diagram of a state in which the dial of the lock cylinder pushes out the lock pin according to the present invention.

Fig. 3 is a schematic diagram of the state of retracting the lock pin by the dial of the lock cylinder according to the present invention.

Fig. 4 is a schematic diagram of an exploded state of the mop sheet and the corresponding locking pin of the present invention.

Fig. 5 is a schematic diagram of the master lock shift fork of the present invention.

Fig. 6 is a schematic diagram of cooperation between the main lock shift fork and the extension spring of the present invention.

Fig. 7 is a schematic diagram of the dial of the lock cylinder of the present invention.

Fig. 8 is a schematic diagram of the upper pusher of the present invention.

Fig. 9 is a schematic diagram of the lower pusher of the present invention.

Fig. 10 is a schematic diagram of the first handle of the present invention.

Fig. 11 is a schematic diagram of the second handle of the present invention.

Fig. 12 is a schematic diagram of the clutch of the present invention.

Fig. 13 is a schematic diagram of cooperation between the main lock shift fork and the mop piece when the lock pin is pushed out according to the present invention.

Fig. 14 is a schematic diagram of cooperation between the main lock shift fork and the mop piece in the retracted state of the lock pin of the present invention.

Fig. 15 is a schematic diagram of cooperation between the oblique bolt unit and the lock housing of the present invention.

Fig. 16 is a schematic diagram of cooperation between the left and right pushers and the first connecting piece when the lock pin is pushed out according to the present invention.

Fig. 17 is a schematic diagram of cooperation between the left and right pushers and the first connecting piece in the retracted state of the lock pin of the present invention.

Fig. 18 is a schematic diagram of the left pusher of the present invention.

Fig. 19 is a schematic diagram of the right pusher of the present invention.

Fig. 20 is a schematic diagram of the first connecting piece of the present invention.

Fig. 21 is a schematic diagram of the second connecting piece of the present invention.

Fig. 22 is a schematic diagram of the shift fork of the second secondary lock of the present invention.

Fig. 23 is a schematic diagram of the disassembled state of the shift fork of the second auxiliary lock of the present invention.

Fig. 24 is a schematic diagram of one panel of the lock housing of the present invention.

Fig. 25 is a schematic diagram of the state of retracting the lock pin by the handle of the present invention.

Fig. 26 is a schematic diagram of the state of pushing out the lock pin by the handle of the present invention.

Implementation

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

Referring to Fig. 1-Fig. 26, a lock includes a lock housing 1, the lock housing 1 is formed by combining two panels 11 and a side panel 12. The difference lies in the grooves, flanges and holes designed to match the relevant structures.

In this embodiment, a connecting shaft 13 is fixed inside the lock housing 1, and the mop piece 2, the main lock shift fork 3, the first connecting piece 4 and the second connecting piece are sequentially installed on the connecting shaft 13 from one side to the other. 5.

Wherein, the mop sheet 2 includes a connecting port 21 and a first movable groove 22 adapted to the connecting shaft 13, relying on the cooperation of the first movable groove 22 and the connecting shaft 13, so that the mop sheet 2 can slide on the connecting shaft 13 Action, so that the lock pin 14 that cooperates with the mop sheet 2 can be pushed out of the lock housing 1 and retracted into the lock housing 1. Corresponding to the lock pin 14, the side plate of the lock housing 1 is provided with a First piercing.

As shown in Figure 4, the connecting port 21 includes a first limiting groove 211 and a second limiting groove 212. As one of the options, the first limiting groove 211 is opened on the upper wall of the connecting port 21, and the second limiting groove 212 is provided on the upper wall of the connecting port 21. The limiting groove 212 is opened on the lower wall of the connection port 21, and the first limiting groove 211 and the second limiting groove 212 are arranged in a misaligned position. The first limiting groove 211 and the second limiting groove 212 can be triangular in shape. It includes two inclined walls, which cooperate with the main lock shift fork 3 when the lock pin is pushed out and retracted respectively, as shown in Fig. 13 and Fig. 14 .

Further, the main lock fork 3 is rotatably arranged on the connecting shaft 13, and includes a connecting head 31 matched with the first limiting groove 211 and the second limiting groove 212. As shown in FIG. 5 , the main lock fork 3 The connecting head 31 is formed by bending a part of its main body, so that the main lock shift fork 3 can be used as an integral structure with higher strength.

The main lock shift fork 3 is connected with a tension spring 32, and the other end of the tension spring 32 is positioned on the lock housing 1. As one of the methods, the back of the main lock shift fork 3 is equipped with a pin or a connecting column connected to one end of the tension spring 32. , and the lock housing 1 is fixed with a pin or connecting column connected to the other end of the extension spring 32, so that the action of the main lock shift fork 3 is smoother.

The main lock shift fork 3 is equipped with at least two connecting pins 33, as shown in Figure 2 and Figure 3, one of the connecting pins 33 is matched with the upper pusher 51, and the other connecting pin 33 is matched with the lower pusher 52, Correspondingly, the upper pusher 51 includes a second movable groove 511 that matches the corresponding connecting pin 33 , and the lower pusher 52 includes a third movable groove 521 that matches the corresponding connecting pin 33 .

As shown in Figure 2 and Figure 3, there is a clutch 6 on the lock housing 1, and a handle unit is assembled on the clutch 6, and the handle unit rotates with the rotation of the clutch 6. In this embodiment, the handle unit includes The first handle 71 and the second handle 72 respectively mounted on the clutch 6 will rotate with the rotation of the clutch, wherein the first handle 71 includes a first connector 711 and the third connector 712, as shown in FIG. 10; the second handle 72 includes a second connector 721, as shown in FIG. 11.

As shown in Figures 2 and 3, the first connector 711 of the first handle 71 is connected to one end of the upper pusher 51, and the second connector 721 of the second handle 72 is connected to the lower pusher 52. The third connecting head 712 of the handle 71 is used to cooperate with the latch tongue unit.

In this embodiment, the latch bolt unit is movably arranged on the lock housing 1, specifically including the latch bolt 81, the pin shaft 82 and the connecting piece 83. To the outside of the lock housing 1 or retracted into the lock housing 1, the connecting piece 83 is arranged on the pin shaft 82, and it abuts against the third connecting head 712 of the first handle 71, as shown in Fig. 2 and Fig. 3 .

In this embodiment, as shown in FIG. 15 , a fixed plate 84 is fixed on the lock housing 1, which includes a hole for the pin shaft 82 to pass through. At least some parts abut against the fixing piece 84 to provide the force for the bolt 81 to move toward the outer end of the lock. Of course, the first spring 85 can also abut against other parts, as long as it can provide the force for the bolt 81 to move outward. That is, the lock housing 1 includes a plurality of second through holes for matching with the oblique tongue 81 .

In this embodiment, the connecting piece 83 is slidably arranged on the lock housing 1, the pin shaft 82 is passed through the connecting piece 83, and a second spring 86 is arranged between the lower end flange of the pin shaft 82 and the connecting piece 83, so that the pin The shaft 82 moves with the movement of the connecting piece 83 , and the force required for the movement of the connecting piece 83 is provided by the third connecting head 712 of the first handle 71 when the deadbolt 81 is retracted into the lock.

In the above content, the cooperative relationship between the lock tongue 81 and the extension and retraction of the main lock pin is described, and the initial force for the above-mentioned action can be provided by the handle matched with the clutch 6, as shown in Figure 25, As shown in Figure 26, it can also be provided by the lock cylinder dial 61, as shown in Figures 2 and 3.

Specifically, the lock cylinder dial 61 is rotatably arranged on the lock housing 1, and is used to cooperate with the upper pusher 51 and the lower pusher 52. Both ends of the upper pusher 51 and the lower pusher 52 are located on the lock cylinder dial. On the rotation path of 61, as shown in Figure 2, after the lock cylinder dial 61 rotates, the lower pusher 52 is driven to move, and the lower pusher 52 drives the handle unit to move, so that the dead bolt 81 is pushed out. Synchronously, the lower pusher 52 drives The main lock shift fork 3 moves, the main lock shift fork 3 drives the mop piece 2 to move, and pushes out the lock pin; as shown in Figure 3, after the lock cylinder dial 61 rotates, the upper pusher 51 moves, and the upper pusher 51 drives the handle unit Action, dead bolt 81 is retracted, and synchronously, lock pin also retracts.

In order to make the upper pusher 51 and the lower pusher 52 cooperate with the lock cylinder dial 61 more reliably, in this embodiment, the ends of the upper pusher 51 and the lower pusher 52 near the lock cylinder dial 61 respectively have a 53 of the hem.

In order to further improve the anti-theft performance of the lock, in this embodiment, a plurality of other lock pins are further configured. As mentioned above, the lock pins are located in the middle of the lock, and the additional lock pins are arranged in the lock at both ends.

As shown in Figures 16 to 23, the first connecting piece 4 is rotated on the connecting shaft 13, and the first connecting piece 4 can be arranged outside the space where the upper pusher 51 and the lower pusher 52 are located. In this embodiment 20, the first connecting piece 4 includes at least two fourth connecting heads 41 and at least two matching grooves 42 that match the connecting pins 33, and the fourth connecting head 41 consists of one of its main parts. Bends are formed to provide more reliable strength as one piece.

As one of the options, the matching groove 42 can be opened on one side of the corresponding fourth connector 41, the position of the matching groove 42 can correspond to the position of the connecting pin 33, and the size of the matching groove 42 is enough to connect the pin. 33 activities required.

In order to make the structure more compact, in this embodiment, a second connecting piece 5 is arranged on the connecting shaft 13 for rotation, and the second connecting piece 5 is located on the outside of the first connecting piece 4. After installing the second connecting piece 5, it can The outer end of 13 is equipped with a positioning collar to axially locate the components on the connecting shaft 13.

In order to make the fourth connecting head 41 have enough space for movement, in this embodiment, two upper and lower concave grooves 15 protruding outward are formed on one of the panels of the lock housing 1 , as shown in FIG. 24 .

The second connecting piece 5 includes a plurality of holes 54 through which the fourth connecting head 41 and the connecting pin 33 pass. As shown in FIG. The long slotted hole that head 41 fits.

A left pusher 91 and a right pusher 92 are slidably disposed on the lock housing 1. As one of the options, a chute 93 is respectively provided on the left pusher 91 and the right pusher 92. The shaft 94 that the chute 93 cooperates with.

One end of the left pusher 91 includes a third limiting groove 911 and a fourth limiting groove 912 matched with one of the fourth connectors 41, and one end of the right pusher 92 includes a third limiter 912 matched with one of the fourth connectors 41. The fifth limiting groove 921 and the sixth limiting groove 922 are as shown in FIGS. 16-19 .

The third limiting groove 911 and the sixth limiting groove 922 respectively cooperate with the fourth connector 41 when the lock pin is pushed out, and the fourth limiting groove 912 and the fifth limiting groove 921 respectively cooperate with the fourth when the lock pin retracts. Connector 41 is compatible.

The lock pins located at both ends of the lock housing 1 rely on the cooperation of the secondary lock shift forks arranged at both ends of the lock housing 1 and the corresponding push parts to realize their push-out and retraction. Both the pin and the dead bolt are pushed out or retracted synchronously.

In this embodiment, what cooperates with the left pusher 91 is the first auxiliary lock shift fork 95, what cooperates with the right pusher 92 is the second auxiliary lock shift fork 96, and the first auxiliary lock shift fork 95 and the second auxiliary lock dial The structure of the fork 96 is the same, the difference is that the setting direction is opposite, as shown in Fig. 16 and Fig. 17 .

As shown in Figure 22 and Figure 23, the second auxiliary lock shift fork 96 includes an auxiliary mop piece 961 slidably arranged on the lock housing 1 and a matching piece 962 rotatably arranged on the lock housing 1, wherein the auxiliary mop piece 961 There is a first chute 9611 on it, and the matching piece 962 includes a first part 9621, a second part 9622 and a third part 9623 which are bent sequentially, wherein, the first part 9621 is connected with the first chute 9611 to slide. The first pin 9612 that cooperates, the second pin 9613 that matches with the right pusher 92 is installed at the connection between the first part 9621 and the second part 9622, and the connection between the second part 9622 and the third part 9623 is rotated It is connected to the third pin 9614, and the third pin 9614 is fixed on the lock housing 1.

Wherein, the left pusher 91 and the right pusher 92 are provided with a bending hole 97 matched with the second pin 9613, as shown in Figure 18 and Figure 19, the bending hole 97 is formed by connecting two holes. The overall cross-sectional shape reflects the bend, which is specifically formed as shown in the figure, so as to cooperate with the bent fitting to realize the push-out and retraction of the corresponding lock pin.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments Modifications are made to the recorded technical solutions, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a tool to lock, includes tool to lock casing, its characterized in that: the lockset shell is provided with

A connecting shaft fixed to the lock housing;

the mop sheet is movably arranged on the connecting shaft and comprises a connecting port and a first movable groove matched with the connecting shaft, and the connecting port comprises a first limit groove and a second limit groove;

the lock shell comprises a plurality of first through holes matched with the lock pins;

the main lock shifting fork is rotationally arranged on the connecting shaft and comprises a connector matched with the first limit groove and the second limit groove, and at least two connecting pins are arranged on the main lock shifting fork;

the upper pushing piece is configured on one of the connecting pins and comprises a second movable groove matched with the connecting pin;

the lower pushing piece is configured on one of the connecting pins and comprises a third movable groove matched with the connecting pin;

the handle unit is configured on the clutch piece and rotates along with the rotation of the clutch piece, and comprises a first connector connected with one end of the upper pushing piece, a second connector connected with one end of the lower pushing piece and a third connector; and

the inclined tongue unit is movably arranged on the lock shell and comprises an inclined tongue, a pin shaft connected with the inclined tongue and a connecting sheet which is arranged on the pin shaft and is propped against the third connector, the lock shell comprises a plurality of second through holes matched with the inclined tongue, a first spring for providing force for moving the inclined tongue to the outer end of the lock is arranged on the pin shaft, and the pin shaft moves along with the movement of the connecting sheet.

2. A lock according to claim 1, wherein: the first limit groove is formed in the upper wall of the connecting port, the second limit groove is formed in the lower wall of the connecting port, and the first limit groove and the second limit groove are arranged in a staggered mode;

a tension spring is arranged between the main lock shifting fork and the lock shell.

3. A lock according to claim 1, wherein: the handle unit comprises a first handle piece and a second handle piece which are configured on the clutch piece, the first connector and the third connector are positioned on the first handle piece, and the second connector is positioned on the second handle piece.

4. A lock according to claim 1, wherein: the lock shell is fixedly provided with a fixing sheet, and the first spring is sleeved on the pin shaft and at least part of the first spring is abutted to the fixing sheet.

5. A lock according to claim 1, wherein: the connecting piece is arranged on the lock shell in a sliding way, the pin shaft penetrates through the connecting piece, and a second spring is arranged between the flange at the lower end of the pin shaft and the connecting piece.

6. A lock according to claim 1, wherein: the connecting shaft is rotatably provided with a first connecting sheet, and the first connecting sheet comprises at least two fourth connectors and at least two matching grooves matched with the connecting pins;

the lock comprises a lock body, and is characterized in that a left pushing piece and a right pushing piece are slidably arranged on the lock body, one end of the left pushing piece comprises a third limit groove and a fourth limit groove which are matched with one of the fourth connectors, and one end of the right pushing piece comprises a fifth limit groove and a sixth limit groove which are matched with one of the fourth connectors.

7. A lock according to any one of claims 1 to 6, wherein: the lock shell is also rotatably provided with a lock cylinder thumb wheel for pushing the upper pushing piece and the lower pushing piece to act;

the upper pushing piece and one end of the lower pushing piece, which is close to the lock cylinder thumb wheel, are respectively provided with a folded edge matched with the upper pushing piece and the lower pushing piece.

8. A lock according to claim 6, wherein: the left pushing piece and the right pushing piece are respectively provided with a sliding groove, and the lockset shell is fixedly provided with a plurality of shafts matched with the sliding grooves.

9. A lock according to claim 6, wherein: the connecting shaft is rotatably provided with a second connecting sheet, and the second connecting sheet comprises a plurality of holes for the fourth connector and the connecting pin to pass through.

10. A lock according to claim 6, wherein: the lock shell is also provided with a first auxiliary lock shifting fork matched with the left pushing piece and a second auxiliary lock shifting fork matched with the right pushing piece, and the first auxiliary lock shifting fork and the second auxiliary lock shifting fork are respectively connected with corresponding lock pins.